R is for Ragnorok. In FFTactics, it is a rare knight sword, found in Midlight's Deep, by using the Treasure Hunter ability, or the Sticky Fingers ability to catch it when Ninjas throw it at you. In FF8, it was a glorious red spaceship shaped like a dragon.

K is next.

-------------------The Youngest Son of Lord Barbaneth of the 2nd Age in Ivalice's history.